package com.estate.struts.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.estate.utils.ProjectConstants;

public class SessionFilter implements Filter {

	public void destroy() {
		// TODO Auto-generated method stub

	}

	public void doFilter(ServletRequest req, ServletResponse res,
			FilterChain chain) throws IOException, ServletException {
//		System.out.println("do sessionUser filter");
		HttpServletRequest request = (HttpServletRequest)req;
		HttpServletResponse response = (HttpServletResponse)res;
		HttpSession session = request.getSession();
		Object obj = session.getAttribute(ProjectConstants.USER_SESSION_KEY);
		if(obj == null){
			response.sendRedirect("/estate/login.html");
		}else{
			chain.doFilter(request, response);
		}
	}

	public void init(FilterConfig arg0) throws ServletException {
	}

}
